Regardless of age, the main trigger for acne is hormones, especially during puberty and menstruation. Vichy has developed a concentrated yet very gentle serum that corrects skin imperfections caused by hormonal acne. Contains a combination of dermoacids and probiotic fractions to reduce imperfections and improve skin quality. 5 reasons to use the serum: Reduces acne breakouts, blackheads and visible pores. Reduces excess sebum. Restores skin texture and accelerates skin regeneration. Provides hydration for 24 hours. (1) It works against relapse. (2) (1) Instrumental test performed on 24 women. (2) Clinical study conducted on 41 women, 2 weeks after the end of product use. Glycolic acid Removes dead skin cells and accelerates skin renewal. Salicylic acid It works on the surface of the skin and deep inside the pores. It weakens them and removes blackheads. Vichy thermal water of volcanic origin Strengthens the skin barrier. Probiotic fractions They regenerate and calm the skin, help tolerate acids. Composition 689079 34 - Composition: water/water/water milk, denatured alcohol, hydroxyethylpiperazine ethanesulfonic acid, glycolic acid, glycerin, propanediol, sodium hydroxide, glycerin Peg/ppg/polybutylene glycol-8/5/3, sodium salicylic acid polyacrylate , , ammonium polyacryloyldimethyltaurate, ascorbyl glucoside, Vitreoscilla ferment, trisodium ethylenediamine disuccinate, xanthan gum, panthenol, menthol. File code: N279401/1. Try other products of the Vichy brand, which are in the Dermocosmetics, Cosmetics and Skin Care categories. You can buy the product with a 0% discount. If you are not sure about choosing this product, get inspired in the Ampoules and serums category.